Coded lock part 1.ISO9001,ROHS 2.OEM service offered 3.High precision,good stability 4.Safety and delivery timely About us: ... years. Many of our production had got trough ISO9001:2008 quality and ROHS certification. Meanwhile, we can provide OEM service offered ... , Owned casting, polishing and plating workshops, We can offer Good quality and strict delivery time.6.With samples and order: We ...